Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| One CYL | ||||
| Right Bank | 2.9 | 2.1 | B | |
| Left Bank | 2.0 | 1.4 | B | |
| Both Banks | 4.2 | 3.0 | B | |
| Each Additional | 0.7 | 0.4 | B | |
| All Cyls | ||||
| Right Bank | 4.3 | 3.1 | B | |
| Left Bank | 3.4 | 2.4 | B | |
| Both Banks | 7.0 | 5.0 | B |